Solid ink stick for a color printer



FIG. 1 is an end elevational view of a solid ink stick for a color printer;

FIG. 2 is a side elevational view thereof, the opposite side being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a solid ink stick for a color printer, as shown and described. 